HP 200LX: Connecting SCSI devices to your Palmtop part 1 of 2

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Check out Part 2 here: • HP 200LX with SCSI bus...
The HP 200LX is an MS-DOS Palmtop PC from the early 90's.
This is the first video of two, which shows how to connect SCSI-2 peripheral devices such as hard drives and an IOMEGA ZIP 100 drive to an HP 100LX or 200LX DOS Palmtop, by using the Linksys ParaSCSI Plus Parallel to SCSI adapter, and the Quatech SSP-100 PCMCIA EPP Parallel port interface adapter card.
The video contains an introduction to the history and uses of SCSI, it's many different types, and it's evolution over it's lifetime, and, what kind of devices you can connect to a SCSI bus.
If you already know how a SCSI-2 bus works, you can skip the introduction to SCSI by skipping to 17:45 into the video.
This HP 200LX palmtop is an IBM PC/XT compatible MS-DOS system with a 16-bit 80186 CPU and CGA graphics system-on-a-chip, a serial port and a 16-bit PCMCIA expansion slot containing a 2GB CompactFlash card for main storage. It has been upgraded with a double speed crystal, doubling the CPU's clock frequency from 8MHz to 16MHz, and a 4MB RAM expansion board, raising the total amount of RAM in the palmtop to 5MB.
If you have any technical questions, or are interested in obtaining upgrades such as double-speed crystals and/or memory upgrade headers and boards, please contact me in the comments and I can help you obtain what you need.

Опубликовано:

15 окт 2024

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Комментарии : 34

@HPPalmtopTube 2 года назад

If you would like to ship the introduction about SCSI and get straight to the demonstration, go to <a href="#" class="seekto" data-time="1065">17:45</a> ... I hope you like my HP 100LX & 200LX Palmtop based content on my brand new channel. Please help the channel grow by clicking the like button and consider subscribing and hitting the bell icon to get alerts of new videos with demonstrations, tutorials and let's play sessions on these wonderfully nostalgic pocket computers... If you have any technical questions about the hardware, software and configuration of what you see in these videos, feel free to ask me here in the comments section!

@ishotjrdotcom 2 года назад

astonishing work! Really pushing the limits with this latest setup! 🤘💾🤘

@gherre 2 года назад

so cool! got myself a 200lx recently and it is great to see what is possible to do with this awesome machine

@HPPalmtopTube 2 года назад

Thanks, since it runs DOS you can do practically everything you can do with a PC/XT with it, as long as it supports CGA graphics :)

@cxk7127 2 года назад

This set up is absolutely amazing! Whats more amazing however is the zip drive works!! :D

@HPPalmtopTube 2 года назад

Wait till you see part 2 in 1-2 weeks, it's gonna have much more devices on the bus :)

@ScottSpeed95 2 года назад

I'm glad I found your channel! Please keep up the good work!! I look forward to watching more content from you. Very informative.

@HPPalmtopTube 2 года назад

Thanks :) I'll do my best...

@mahoraga1052 2 года назад

It's really incredible. I also have 95LX and 200LX. Your video is very helpful. I subscribed.

@oturgator 2 года назад

Why bother with PCMCIA to Parallel, where PCMCIA to SCSI exists?

@HPPalmtopTube 2 года назад

The HP200LX'ss PCMCIA implementation is non-standard and you need a specific driver/enabler for the 200LX to use a certain PCMCIA card, and no known PCMCIA card exists that supports SCSI. There might be a rare and obscure card that works, but nobody knowns about it.

@oturgator 2 года назад

@@HPPalmtopTube Thanks for the explanation but any card that the 200LX can use is obscure and rare, a good example is the card that you are using in this video.

@HPPalmtopTube 2 года назад

@@oturgator If you really want one it's possible to find one in a few months, either a quatech or a trans digital card. I had 3 last month (a quatech and 2x trans digital) and sold one recently...

@nyccollin Год назад

@@HPPalmtopTubeDoes the Quatech SSP-100 work as well? The Serial adaptor?

@HPPalmtopTube Год назад

@@nyccollin pls read my reply on the VOGONS forum...

@saifal-badri 2 года назад

Great concept but I find it hard to find any practical use with all these adapters.

@HPPalmtopTube 2 года назад

That's all it's for, just a concept for a video that I thought computer geeks of all ranks would love to see, and many seem to like the video :) It's my most successful video to date... But, as you say it's not at all portable/practical... It's just meant to do something that nobody has done before, pairing a pocket sized palmtop from the early 90's with a computer system bus designed for mini-computes and large PC servers :)

@saifal-badri 2 года назад

@@HPPalmtopTube I love your videos btw, I have 2 palmtops and it’s the best dos portable please keep these videos coming. I was wondering if you can make one about the infrared printer. I got one from eBay and I fixed it but not sure how to practically use it.

@HPPalmtopTube 2 года назад

@@saifal-badri Sure, I can. I have an Irda compliant pocket thermal transfer printer, the Pentax PocketJet II Plus. Is that the one you have too ? It's a good idea, I'll make a video in the near future after i've finished the 2nd parts to my current projects/videos :)

@saifal-badri 2 года назад

@@HPPalmtopTube awesome! thank you, mine is HP82240A

@HPPalmtopTube 2 года назад

@@saifal-badri See if your printer is "Irda" compliant, it's a infrared serial data transmission standard/protocol. If it is, it's easy to configure it on the palmtop...